20706070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26891}}^1$

素因数の和:26916

約数の個数: 32

約数和(自身を含む): 46469376

約数和(自身を除く): 25763306

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26891, 53782, 134455, 188237, 268910, 295801, 376474, 591602, 941185, 1479005, 1882370, 2070607, 2958010, 4141214, 10353035, 20706070]

約数ペア:

[(1, 20706070), (2, 10353035), (5, 4141214), (7, 2958010), (10, 2070607), (11, 1882370), (14, 1479005), (22, 941185), (35, 591602), (55, 376474), (70, 295801), (77, 268910), (110, 188237), (154, 134455), (385, 53782), (770, 26891)]